<template>
  <view>
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src" alt="">
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img" alt="">
      </view>
    </view>
    <!-- 楼层 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
         <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title" alt="">
          <!-- 楼层图片区域 -->
        <view class="floor-img-box">
           <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" 
            :style="{Width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" 
            v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" :style="{Width: item2.image_width + 'rpx'}" 
              mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMin from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMin],
    data() {
      return {
        //轮播图数据
        swiperList: [],
        //分类导航数据
        navList: [],
        //楼层数据
        floorList: []
      };
    },
    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      //轮播图数据发送请求
      async getSwiperList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
        uni.$showMsg('数据请求成功！')
      },
      //分类导航数据发送请求
       async getNavList() {
          const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
          if (res.meta.status !== 200) return uni.$showMsg()
          this.navList = res.message         
        },
        // 点击跳转tabBar分类
        navClickHandler(item) {
          if (item.name === '分类') {
            uni.switchTab({
              url: '/pages/cate/cate'
            })
          }
        },
        //楼层数据发送请求
        async getFloorList() {
          const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
          if (res.meta.status !== 200) return uni.$showMsg()
          //对数据进行处理
          res.message.forEach(floor => {
            floor.product_list.forEach(prod => {
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
          this.floorList = res.message 
        },
        gotoSearch() {
          uni.navigateTo({
            url:'/subpkg/search/search'
          })
        }
    }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,image {
    width: 100%;
    height: 100%;
  }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  display: flex;
  width: 100%;
  height: 60rpx;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
.search-box {
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
